212001100211211 has 8 divisors (see below), whose sum is σ = 282951652308624. Its totient is φ = 141192307460640.

The previous prime is 212001100211203. The next prime is 212001100211233. The reversal of 212001100211211 is 112112001100212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212001100211211 - 2³ = 212001100211203 is a prime.

It is a super-3 number, since 3×212001100211211³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (212001100211291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35439833220 + ... + 35439839201.

It is an arithmetic number, because the mean of its divisors is an integer number (35368956538578).

Almost surely, 2^{212001100211211} is an apocalyptic number.

212001100211211 is a deficient number, since it is larger than the sum of its proper divisors (70950552097413).

212001100211211 is an equidigital number, since it uses as much as digits as its factorization.

212001100211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70879673421.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212001100211211 its reverse (112112001100212), we get a palindrome (324113101311423).

The spelling of 212001100211211 in words is "two hundred twelve trillion, one billion, one hundred million, two hundred eleven thousand, two hundred eleven".